body
{
margin:0;
background-image: url(essai\ 2.jpg);
background-size: cover;
background-attachment: fixed;
  
}

h1
{
    color: rgb(22, 112, 122);
    text-align: center;
    border: solid white;
    margin-left: 27%;
    margin-right: 27%;
}

h2
{
    color: rgb(51, 167, 165);
    text-align: center;
    font: size 1.5em;;
}

h3
{
    padding-left: 7%;
    color: rgb(10, 74, 72);
}

html
{
    color:black;
    font-size: 1.5em;
   
}

p
{
    font-family: cursive;
    padding-left: 7%;
    padding-right: 7%;

    
    
}

ul
{padding-left: 14%;



}

ol{
padding-left: 10%;
padding-right: 3%;

}


img.blague
{
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 50%;
    height: auto;
}

a{
    color: rgb(51, 167, 165);

}
.sommaire
{
    text-align: center;
}

.lien
{
    text-align: center;
    padding-top: 2%;
}

.astuce{
    color: rgb(22, 92, 104);
    font-family: cursive;
    padding-left: 7%;
    padding-right: 7%;

}
.image{
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 35%;
    height: auto;
    margin-top: 3%;
}

a:hover{
background-color: aquamarine;
}

.btn{
    height: 100px;
    width: 100px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    position: fixed;
    right: 20px;
    bottom: 20px;
}

.icone{
    width: 50px;
    cursor: pointer;
}